From Subway to Greggs – the best low-calorie picks at 11 high street chains if you’re on a diet [Video]

GRABBING lunch on the go can often mean shovelling something sky high in calories into your gob.

You need something quick and easy, and the temptation to scoff a greasy burger from McDonald’s or a fat-packed meal deal from your nearest supermarket is hard to resist.

But you don’t have to sacrifice your health – even when you’re rushing around between meetings and picking the kids up from school.

In fact, UK high streets are full of diet-friendly options that won’t bust your waistline, according to dietitian Ro Huntriss.

The key, she said, is to look out for foods that are wholegrain, high in protein and full of fruits and vegetables.

“This will help you to feel fuller for longer, help towards your five-a-day, and keep your blood sugar and appetite stable,” Ro added.

To make things easier, the expert has identified the healthiest options …